ID: 278

AQSQID: 110010043

Site Name: Mcmillan Reservoir

Added: April 21, 2020, 6:24 p.m.

Updated: Nov. 28, 2021, 8:16 a.m.

Location: Washington (Bloomingdale), DC

Reporting: True, Located: True

Current AQI: 30.0

Washington (Bloomingdale) DC, US: 38.921848, -77.013176

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 28, 2021, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) 0.34 ppb (4) 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2021, 5 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 16.0 ppb (15) 0.37 ppb (5) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Nov. 28, 2021, 4 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.38 ppb (5) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Nov. 28, 2021, 3 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 19.0 ppb (18) 0.38 ppb (5) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2021, 2 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 20.0 ppb (19) 0.35 ppb (4) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Nov. 28, 2021, 1 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 20.0 ppb (19) 0.34 ppb (4) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Nov. 28, 2021, midnight N/A N/A N/A 13.0 ppb (13) N/A N/A 24.0 ppb (23) 0.3 ppb (4) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Nov. 27, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.26 ppb (4) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 26.0
 
Nov. 27, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.26 ppb (4) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 28.0
 
Nov. 27, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.23 ppb (3) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 31.0
 
Nov. 27, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.21 ppb (3) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 34.0
 
Nov. 27, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) 0.22 ppb (3) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 34.0
 
Nov. 27, 2021, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.21 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 34.0
 
Nov. 27, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.2 ppb (3) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 34.0
 
Nov. 27, 2021, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.2 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 33.0
 
Nov. 27, 2021, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.21 ppb (3) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 32.0
 
Nov. 27, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) 0.2 ppb (3) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 32.0
 
Nov. 27, 2021, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.21 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 31.0
 
Nov. 27, 2021, noon N/A N/A N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.22 ppb (3) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 30.0
 
Nov. 27, 2021, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 8.0 μg/m3 (8) 0.0 μg/m3 (0) 30.0
 
Nov. 27, 2021, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 30.0
 
Nov. 27, 2021, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.2 ppb (3) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 30.0
 
Nov. 27, 2021, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) 0.2 ppb (3) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 29.0
 
Nov. 27, 2021, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) 0.19 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 29.0
 
Nov. 27, 2021, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.2 ppb (3) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 28.0
 
Nov. 27, 2021, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.22 ppb (3) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 27.0
 
Nov. 27, 2021, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.22 ppb (3) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 27.0
 
Nov. 27, 2021, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.22 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 27.0
 
Nov. 27, 2021, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.22 ppb (3) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 27.0
 
Nov. 27, 2021, 1 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.21 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 27.0
 
Nov. 27, 2021, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) 0.21 ppb (3) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 27.0
 
Nov. 26, 2021, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.22 ppb (3) 7.0 μg/m3 (7) -1.0 μg/m3 (0) 26.0
 
Nov. 26, 2021, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 28.0 ppb (26) 0.22 ppb (3) 7.0 μg/m3 (7) 0.0 μg/m3 (0) 26.0
 
Nov. 26, 2021, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) 0.2 ppb (3) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 27.0
 
Nov. 26, 2021, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) 0.2 ppb (3) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 28.0
 
Nov. 26, 2021, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.19 ppb (3) 8.0 μg/m3 (8) 6.0 μg/m3 (25) 30.0
 
Nov. 26, 2021, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) 0.19 ppb (3) 8.0 μg/m3 (8) -1.0 μg/m3 (0) 31.0
 
Nov. 26, 2021, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 32.0 ppb (30) 0.18 ppb (3) 7.0 μg/m3 (7) -4.0 μg/m3 (0) 30.0
 
Nov. 26, 2021, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) 0.18 ppb (3) 8.0 μg/m3 (8) -3.0 μg/m3 (0) 29.0
 
Nov. 26, 2021, 3 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) 0.2 ppb (3) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 26.0
 
Nov. 26, 2021, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) 0.22 ppb (3) 3.0 μg/m3 (3) 3.0 μg/m3 (13) 25.0
 
Nov. 26, 2021, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.25 ppb (3) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 22.0
 
Nov. 26, 2021, noon N/A N/A N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) 0.29 ppb (4) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 19.0
 
Nov. 26, 2021, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 20.0 ppb (19) 0.36 ppb (5) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Nov. 26, 2021, 9 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 6.0 ppb (6) 0.59 ppb (7) 33.0 μg/m3 (31) 24.0 μg/m3 (77) 77.0
 
Nov. 26, 2021, 8 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 3.0 ppb (3) 0.65 ppb (8) 35.0 μg/m3 (33) 25.0 μg/m3 (79) 79.0
 
Nov. 26, 2021, 7 a.m. N/A N/A N/A 26.0 ppb (25) N/A N/A 4.0 ppb (4) 0.7 ppb (8) 39.0 μg/m3 (37) 23.0 μg/m3 (74) 74.0
 
Nov. 26, 2021, 6 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 3.0 ppb (3) 0.81 ppb (10) 42.0 μg/m3 (39) 26.0 μg/m3 (81) 81.0
 
Nov. 26, 2021, 5 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 3.0 ppb (3) 1.06 ppb (13) 45.0 μg/m3 (42) 27.0 μg/m3 (83) 83.0
 
Nov. 26, 2021, 4 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 3.0 ppb (3) 0.85 ppb (10) 46.0 μg/m3 (43) 25.0 μg/m3 (79) 79.0
 
Nov. 26, 2021, 3 a.m. N/A N/A N/A 31.0 ppb (30) N/A N/A 5.0 ppb (5) 0.74 ppb (8) 46.0 μg/m3 (43) 28.0 μg/m3 (85) 85.0
 
Nov. 26, 2021, 2 a.m. N/A N/A N/A 29.0 ppb (28) N/A N/A 8.0 ppb (8) 0.64 ppb (7) 40.0 μg/m3 (38) 22.0 μg/m3 (72) 72.0
 
Nov. 26, 2021, 1 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 17.0 ppb (16) 0.48 ppb (6) 26.0 μg/m3 (25) 16.0 μg/m3 (60) 60.0
 
Nov. 26, 2021, midnight N/A N/A N/A 16.0 ppb (16) N/A N/A 23.0 ppb (22) 0.44 ppb (5) 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Nov. 25, 2021, 11 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 22.0 ppb (21) 0.43 ppb (5) 24.0 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
Nov. 25, 2021, 10 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 27.0 ppb (25) 0.36 ppb (5) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Nov. 25, 2021, 9 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) 0.35 ppb (4) 20.0 μg/m3 (19) 12.0 μg/m3 (50) 50.0
 
Nov. 25, 2021, 8 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 34.0 ppb (32) 0.37 ppb (5) 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Nov. 25, 2021, 7 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) 0.36 ppb (5) 22.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Nov. 25, 2021, 6 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 26.0 ppb (25) 0.38 ppb (5) 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Nov. 25, 2021, 5 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) 0.39 ppb (5) 23.0 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
Nov. 25, 2021, 4 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 21.0 ppb (20) 0.41 ppb (5) 25.0 μg/m3 (24) 16.0 μg/m3 (60) 60.0
 
Nov. 25, 2021, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.4 ppb (5) 22.0 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
Nov. 25, 2021, 2 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 16.0 ppb (15) 0.41 ppb (5) 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
Nov. 25, 2021, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A 13.0 ppb (13) 0.4 ppb (5) 19.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Nov. 25, 2021, noon N/A N/A N/A 23.0 ppb (22) N/A N/A 10.0 ppb (10) 0.44 ppb (5) 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Nov. 25, 2021, 11 a.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 10.0 ppb (10) 0.38 ppb (5) 20.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Nov. 25, 2021, 10 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 15.0 ppb (14) 0.35 ppb (4) 18.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Nov. 25, 2021, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 14.0 ppb (13) 0.36 ppb (5) 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Nov. 25, 2021, 8 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 12.0 ppb (12) 0.37 ppb (5) 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
Nov. 25, 2021, 7 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 13.0 ppb (13) 0.39 ppb (5) 20.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Nov. 25, 2021, 6 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 13.0 ppb (13) 0.4 ppb (5) 20.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Nov. 25, 2021, 5 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.37 ppb (5) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Nov. 25, 2021, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 16.0 ppb (15) 0.44 ppb (5) 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Nov. 25, 2021, 3 a.m. N/A N/A N/A 28.0 ppb (27) N/A N/A 9.0 ppb (9) 0.48 ppb (6) 25.0 μg/m3 (24) 14.0 μg/m3 (55) 55.0
 
Nov. 25, 2021, 2 a.m. N/A N/A N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 0.53 ppb (6) 31.0 μg/m3 (29) 18.0 μg/m3 (64) 64.0
 
Nov. 25, 2021, 1 a.m. N/A N/A N/A 27.0 ppb (26) N/A N/A 12.0 ppb (12) 0.46 ppb (6) 24.0 μg/m3 (23) 12.0 μg/m3 (50) 50.0
 
Nov. 25, 2021, midnight N/A N/A N/A 30.0 ppb (29) N/A N/A 10.0 ppb (10) 0.46 ppb (6) 24.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Nov. 24, 2021, 11 p.m. N/A N/A N/A 22.0 ppb (21) N/A N/A 17.0 ppb (16) 0.41 ppb (5) 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Nov. 24, 2021, 10 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 22.0 ppb (21) 0.34 ppb (4) 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 23.0 ppb (22) 0.31 ppb (4) 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2021, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.34 ppb (4) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Nov. 24, 2021, 7 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.27 ppb (4) 21.0 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
Nov. 24, 2021, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.26 ppb (4) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 30.0
 
Nov. 24, 2021, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.26 ppb (4) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Nov. 24, 2021, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 31.0 ppb (29) 0.25 ppb (3) 17.0 μg/m3 (16) 4.0 μg/m3 (17) 29.0
 
Nov. 24, 2021, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.25 ppb (3) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 28.0
 
Nov. 24, 2021, 2 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) 0.29 ppb (4) 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Nov. 24, 2021, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 19.0 ppb (18) 0.34 ppb (4) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Nov. 24, 2021, noon N/A N/A N/A 22.0 ppb (21) N/A N/A 12.0 ppb (12) 0.36 ppb (5) 15.0 μg/m3 (14) 0.0 μg/m3 (0) 21.0
 
Nov. 24, 2021, 11 a.m. N/A N/A N/A 21.0 ppb (20) N/A N/A 12.0 ppb (12) 0.32 ppb (4) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 20.0
 
Nov. 24, 2021, 10 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 16.0 ppb (15) 0.34 ppb (4) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Nov. 24, 2021, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A 15.0 ppb (14) 0.29 ppb (4) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 17.0
 
Nov. 24, 2021, 8 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.33 ppb (4) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Nov. 24, 2021, 7 a.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.37 ppb (5) 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2021, 6 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 20.0 ppb (19) 0.34 ppb (4) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2021, 5 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.31 ppb (4) 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2021, 4 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 23.0 ppb (22) 0.32 ppb (4) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 22.0
 
Nov. 24, 2021, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.32 ppb (4) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 23.0
 
Nov. 24, 2021, 2 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) 0.29 ppb (4) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 24.0
 
Nov. 24, 2021, 1 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.26 ppb (4) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Nov. 24, 2021, midnight N/A N/A N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.24 ppb (3) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 25.0
 
Nov. 23, 2021, 11 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.24 ppb (3) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 25.0
 
Nov. 23, 2021, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 29.0 ppb (27) 0.23 ppb (3) 10.0 μg/m3 (10) 1.0 μg/m3 (5) 27.0
 
Nov. 23, 2021, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.23 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 28.0
 
Nov. 23, 2021, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 31.0 ppb (29) 0.25 ppb (3) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 29.0
 
Nov. 23, 2021, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 31.0
 
Nov. 23, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (9) 30.0
 
Nov. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.22 ppb (3) 11.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Nov. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.29 ppb (4) 11.0 μg/m3 (11) N/A 30.0
 
Nov. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Nov. 23, 2021, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) 0.23 ppb (3) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 25.0
 
Nov. 23, 2021, 1 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) 0.27 ppb (4) 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Nov. 23, 2021, noon N/A N/A N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.28 ppb (4) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 18.0
 
Nov. 23, 2021, 11 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) 0.25 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Nov. 23, 2021, 10 a.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) 0.23 ppb (3) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 21.0
 
Nov. 23, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 24.0 ppb (23) 0.22 ppb (3) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Nov. 23, 2021, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.2 ppb (3) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 24.0
 
Nov. 23, 2021, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) 0.21 ppb (3) 8.0 μg/m3 (8) 5.0 μg/m3 (21) 24.0
 
Nov. 23, 2021, 6 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.22 ppb (3) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 22.0
 
Nov. 23, 2021, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.21 ppb (3) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
Nov. 23, 2021, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) 0.21 ppb (3) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
Nov. 23, 2021, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) 0.2 ppb (3) 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Nov. 23, 2021, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) 0.2 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 26.0
 
Nov. 23, 2021, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) 0.22 ppb (3) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 26.0
 
Nov. 23, 2021, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.21 ppb (3) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 28.0
 
Nov. 22, 2021, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A 32.0 ppb (30) 0.21 ppb (3) 9.0 μg/m3 (9) 0.0 μg/m3 (0) 30.0
 
Nov. 22, 2021, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 32.0 ppb (30) 0.22 ppb (3) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 30.0
 
Nov. 22, 2021, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.2 ppb (3) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 32.0
 
Nov. 22, 2021, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.22 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Nov. 22, 2021, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 33.0 ppb (31) 0.24 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 22, 2021, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) 0.25 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 22, 2021, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) 0.26 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 22, 2021, 4 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 23.0 ppb (22) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 22, 2021, 3 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 13.0 ppb (13) 0.43 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Nov. 22, 2021, 2 p.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.42 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 22, 2021, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 22, 2021, noon N/A N/A N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) 0.46 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 22, 2021, 11 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 16.0 ppb (15) 0.47 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 22, 2021, 10 a.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 19.0 ppb (18) 0.37 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 22, 2021, 9 a.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 20.0 ppb (19) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 22, 2021, 8 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.37 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 22, 2021, 7 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 22, 2021, 6 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 22, 2021, 5 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 22, 2021, 4 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.35 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 22, 2021, 3 a.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 26.0 ppb (25) 0.31 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 22, 2021, 2 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 26.0 ppb (25) 0.34 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Nov. 22, 2021, 1 a.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 19.0 ppb (18) 0.4 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Nov. 22, 2021, midnight N/A N/A N/A 18.0 ppb (17) N/A N/A 17.0 ppb (16) 0.41 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 21, 2021, 11 p.m. N/A N/A N/A 17.0 ppb (17) N/A N/A 17.0 ppb (16) 0.42 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 21, 2021, 10 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 24.0 ppb (23) 0.38 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 21, 2021, 9 p.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 22.0 ppb (21) 0.37 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 21, 2021, 8 p.m. N/A N/A N/A 9.0 ppb (9) N/A N/A 28.0 ppb (26) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 21, 2021, 7 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.31 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 21, 2021, 6 p.m. N/A N/A N/A 8.0 ppb (8) N/A N/A 29.0 ppb (27) 0.3 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 21, 2021, 5 p.m. N/A N/A N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Nov. 21, 2021, 4 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.33 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Nov. 21, 2021, 3 p.m. N/A N/A N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 21, 2021, 2 p.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 21, 2021, 1 p.m. N/A N/A N/A 15.0 ppb (15) N/A N/A 14.0 ppb (13) 0.36 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 21, 2021, noon N/A N/A N/A 22.0 ppb (21) N/A N/A 6.0 ppb (6) 0.43 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Nov. 21, 2021, 11 a.m. N/A N/A N/A 16.0 ppb (16) N/A N/A 9.0 ppb (9) 0.38 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 21, 2021, 10 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 12.0 ppb (12) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 21, 2021, 9 a.m. N/A N/A N/A 14.0 ppb (14) N/A N/A 13.0 ppb (13) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 21, 2021, 8 a.m. N/A N/A N/A 13.0 ppb (13) N/A N/A 14.0 ppb (13) 0.37 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Nov. 21, 2021, 7 a.m. N/A N/A N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Nov. 21, 2021, 6 a.m. N/A N/A N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0